皮皮学，免费搜题
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【单选题】
移液管的使用方法及注意事项有()A.
移液管在放液时应紧贴着瓶壁，应慢慢放
B.
.移液管在放液时不用紧贴瓶壁，把液放干净为止
C.
移液管在往瓶内移液时，最后残留的液滴要吹干净
D.
移液管在往瓶内移液时，最后残留的液滴应用嘴吹干净
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反馈参考答案：
举一反三
【单选题】Based on the pronunciation of the underlined part, tick out the word that is different from the others.
A.
br ea d
B.
ch ea p
C.
w ea ther
D.
pl ea sure
【单选题】Which is the correct pronunciation of the "检查"?
A.
jiă chá
B.
jiăn chá
C.
jiăn cá
D.
jiă chán
【单选题】Find out the different pronunciation from the underlined parts.
A.
tea ch er
B.
lun ch
C.
ch ick
D.
s ch ool
【单选题】Based on the pronunciation of the underlined part, tick out the word that is different from the others.
A.
ch ea p
B.
whi ch
C.
ma ch ine
D.
ch at
【单选题】Which is the correct pronunciation of the "出租车"?
A.
cū zū chē
B.
chū zhū chē
C.
chū zū cē
D.
chū zū chē
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